*{
    margin:0;
    padding:0;
    text-decoration: none;
    list-style-type:none;
}

#header{
    background-color:skyblue;
    height:100px;
    line-height:100px;
    border: 2px solid;
}

#header .logo, 
#header .mainnav, 
#header .language{
    float:left;
    margin-left: 5px;
}

#header .logo{
    width:15%;
    margin-top:7.5px;
}

#header .mainnav{
    width:60%;
    text-align:center;
}

#header .mainnav li{
    float:left;
    width:16%;
    margin-right:1px;
}

#header .language{
    width:15%;
    text-align:center;
}

#header .language li{
    float:left;
    width:45%;
    margin-right:1px;
}

#swipper{
   overflow:hidden;
   position: relative;
}

#swipper .imgs{
    width: 400%;
    margin-left:-100%;
}

#swipper .imgs li{
    width:25%;
    height:400px;
    float:left;
}

#swipper .imgs li:first-child{
    background:url(../imgs/banner_01.jpg)
}

#swipper .imgs li:nth-child(2){
    background:url(../imgs/banner_02.jpg)
}

#swipper .imgs li:nth-child(3){
    background:url(../imgs/banner_03.jpg)
}

#swipper .imgs li:last-child{
    background:url(../imgs/banner_01.jpg)
}

.prev, .next{
    width: 32px;
    height: 32px;
    position: absolute;
    top: 184px;
}

.prev{
    left: 40px;
    background: url(../imgs/index-xb2.png);
}

.prev:hover{
    background: url(../imgs/index-xb4.png);
}

.next{
    right: 40px;
    background: url(../imgs/index-xb1.png);
}

.next:hover{
    background: url(../imgs/index-xb3.png);
}

.count{
    width: 80px;
    height: 15px;
    position: absolute;
    left: 50%;
    bottom: 36px;
    margin-left: -40px;
}

.count .point{
    width: 15px;
    height: 15px;
    margin-right: 5px;
    float: left;
    background: skyblue;

    border-radius: 50%;
}

.count .point:hover{
    background: red;
}

#main .box{
    height: 900px;
    margin: 0 10%;
    color: gold;
    text-align: center;
    overflow: hidden;
}

#main .box h5{
    font-size: 28px;
    font-weight: bold;
    font-family: '宋体';
    margin-bottom: 10px;
    margin: 20px 0;
}

#main .box .tangle{
    width: 15px;
    height: 5px;
    margin: 20px auto 0;
    background: skyblue;
}

#main .box p{
    font-size: 18px;
    line-height: 1.8em;
}

#main .box1{
    background: blue;
    height: auto;
}

#main .box1 .content{
    overflow: hidden;
    background: gray;
}

.content .one{
    width: 22%;
    margin-right: 4%;
    float: left;
    background: orange;
}

.content .one:last-child{
    margin-right: 0;
}

#main .box2{
    background: hotpink;
    margin: 0;
    height: auto;
}

#main .box2 .content{
    overflow: hidden;
}

#main .box2 .content .two{
    width: 16%;
    float: left;
    margin-right: 0.66%;
    background: skyblue;
}

#main .box2 .content .two img{
    width: 100%;
}

#main .box3{
    background: crimson;
}

#main .box3 .box3-content{
    background-color: beige;
}

#main .box3 .box3-content::after{
    content: '';
    display: block;
    clear: both;
}

#main .box3 .box3-content .left{
    float: left;
    width: 45%;
    margin-right: 10%;
    background-color: blueviolet;
    overflow: hidden;
}

#main .box3 .box3-content .left .imgs{
    width: 600%;
    overflow: hidden;
}

#main .box3 .box3-content .left .imgs li{
    width: 16.66%;
    float: left;
    height: 500px;
}

#main .box3 .box3-content .left .imgs li:first-child{
    background: url(../imgs/pro-center1.jpg);
}

#main .box3 .box3-content .left .imgs li:nth-child(2){
    background: url(../imgs/pro-center2.jpg);
}

#main .box3 .box3-content .left .imgs li:nth-child(3){
    background: url(../imgs/pro-center3.jpg);
}

#main .box3 .box3-content .left .imgs li:nth-child(4){
    background: url(../imgs/pro-center4.jpg);
}

#main .box3 .box3-content .left .imgs li:nth-child(5){
    background: url(../imgs/pro-center5.jpg);
}

#main .box3 .box3-content .left .imgs li:nth-child(6){
    background: url(../imgs/pro-center6.jpg);
}

#main .box3 .box3-content .left .title{
    text-align: left;
    color: white;
    background-color: skyblue;
    height: 30px;
}

#main .box3 .box3-content .left .count2 .point{
    width: 16.66%;
    height: 4px;
    background: gray;
    float: left;
}

#main .box3 .box3-content .left .count2 .point:nth-child(2){
    background: blue;
}

#main .box3 .box3-content .right{
    float: right;
    width: 45%;
    height: 500px;
}

#main .box3 .box3-content .right .right-top{
    height: 30%;
    margin-bottom: 5%;
    overflow: hidden;
}


#main .box3 .box3-content .right .right-top .right-top-left{
    width: 25%;
    height: 100%;
    background: yellow;
    margin-right: 10%;
    float: left;
}

#main .box3 .box3-content .right .right-top .right-top-left h1{
    height: 70%;
    padding-top: 30px;
    background: white;
    color: blue;
    box-sizing: border-box;
    border-top: 2px solid blue;
    border-right: 3px solid blue;
    
}

#main .box3 .box3-content .right .right-top .right-top-left p{
    height: 30%;
    color: white;
    background: blue;
    padding-bottom: 5px;
    box-sizing: border-box;
}


#main .box3 .box3-content .right .right-top .right-top-right{
    width: 65%;
    background: skyblue;
    height: 100%;
    float: left;
    text-align: left;
}

#main .box3 .box3-content .right .right-bottom{
    height: 65%;
    color: #000;
}

#main .box3 .box3-content .right .right-bottom li{
    list-style-type: disc;
    list-style-position: inset;
    overflow: hidden;
    border-top: 1px dashed black;
    height: 16.66%;
}

#main .box3 .box3-content .right .right-bottom li:last-child{
    border-bottom: 1px dashed black;
}

.right-bottom li .left{
    float: left;
}

.right-bottom li .right{
    float: right;
}

#main .box4{
    background: darkmagenta;
}

#main .box4 .video{
    height: 300px;
    width: 100%;
    background: skyblue;
    margin-top: 60px;
    overflow: hidden;
    position: relative;
}

.video .video-content{
    width: 20%;
    height: 300px;
    background: tomato;
    margin-right: 4%;
    float: left;
    position: relative;
}

.video .video-content:first-child{
    background: url(../imgs/pro-center3.jpg);
}

.video .video-content:nth-child(2){
    background: url(../imgs/pro-center4.jpg);
}

.video .video-content:nth-child(3){
    background: url(../imgs/pro-center5.jpg);
}

.video .video-content:nth-child(4){
    background: url(../imgs/pro-center6.jpg);
}

.video-content .title{
    height: 50px;
    width: 100%;
    background: #fff;
    position: absolute;
    bottom: 0;
    color: black;
    font-size: 16px;
    font-weight: bold;
}

.video-content .title:hover{
    color: blue;
}

.video .video-content:first-child{
    margin-left: 4%;
}

#main .box4 .video .prev, #main .box4 .video .next{
    top: 134px;
}

#main .box4 .video .prev{
    left: 0;
}

#main .box4 .video .next{
    right: 0;
}